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https://issues.apache.org/jira/browse/PARQUET-401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15127535#comment-15127535
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Liwei Lin commented on PARQUET-401:
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Looked through the code base and have found hundreds of Log.xxx() usages within
90+ classes. Should take 3 days to replace all of them. Do we want to get this
in 1.9.0? I think it'd better not delay the release.
> Deprecate Log and move to SLF4J Logger
> --------------------------------------
>
> Key: PARQUET-401
> URL: https://issues.apache.org/jira/browse/PARQUET-401
> Project: Parquet
> Issue Type: Bug
> Components: parquet-mr
> Affects Versions: 1.8.1
> Reporter: Ryan Blue
>
> The current Log class is intended to allow swapping out logger back-ends, but
> SLF4J already does this. It also doesn't expose as nice of an API as SLF4J,
> which can handle formatting to avoid the cost of building log messages that
> won't be used. I think we should deprecate the org.apache.parquet.Log class
> and move to using SLF4J directly, instead of wrapping SLF4J (PARQUET-305).
> This will require deprecating the current Log class and replacing the current
> uses of it with SLF4J.
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